Tennis: French Open women's semi-finals head-to-head

Head-to-head record for Thursday’s first French Open women’s semi-final (year, tournament, surface, round, winner, score; x denotes seeded player):

Serena Williams (USA x1) v Sara Errani (ITA x5)

Williams leads 5-0

2008 Rome Clay R16 Williams 6-4, 6-3

2009 Sydney Hard R16 Williams 6-1, 6-2

2009 Dubai Hard R32 Williams 4-6, 6-2, 6-0

2012 US Open Hard SF Williams 6-1, 6-2

2013 Madrid Clay SF Williams 7-5, 6-2